Question

alguem pode me ajudar ??

Answer 1

Did Pedro Alvares Cabral discovered Brazil? 
Yes, he did. 
Did the Eiffel Tower existed in 1880? 
No, it didn't.
Did you traveled on your last vacation?
Yes, I did. / No, I didn't. (depende se você viajou ou não)
Did your parents gave you a bday present las year?
Yes, they did. / No, they didn't.